KMB Machinist Calculator is very useful for those that use milling machines for drilling and taping. KMB Machinist Calculator calculates feeds and speeds in both inches and millimeters. The user is capable of converting surface speed into four different formats. ThereТ‘s a drill and tap matching function which includes preset sizes and customized sizes which implements user input. There are more functions that will be added in the future. Note: KMB Machinist Calculator is included with KMB Trace 2007.